See also:

Cleaning Exterior Lamps/Lenses
Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses. Follow instructions under "Washing the Vehicle" later in this section. ...

Tips and Troubleshooting Chart
Problem Recommended Action There is no power. The ignition might not be turned to ON/RUN or ACC/ ACCESSORY. The picture does not fill the screen. There are black bor ...

Retrieve My Number
1. Push . System responds: “OnStar ready.” 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...